Blackbox 134 with Modbus
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Blackbox 134 is a compact low-cost intelligent controller that provides non-contacting level measurement. The Blackbox 134 Level Comms features two control or alarm relays, with simple 0-5V output proportional to level to drive a local display and also features a RS485 Modbus port for digital communications. Blackbox 134 can be set up using Pulsar's PC Suite and optional interface cable, which links the Blackbox RJ11 RS232 port to the PC's serial or USB port. Blackbox units can also be set up using a hand-held programming unit.